PFC, On 1/31/06 3:11 PM, "PFC" <lists@xxxxxxxxxx> wrote: >> ... Prove it. >> > > (I have a software RAID1 on this desktop machine) > > It's a lot faster than a single disk for random reads when more than 1 > thread hits the disk, because it distributes reads to both disks. Thus, > applications start faster, and the machine is more reactive even when the > disk is thrashing. Cron starting a "updatedb" is less painful. It's cool > for desktop use (and of course it's more reliable). Exactly - improved your random seeks. > However large reads (dd-style) are just the same speed as 1 drive. I > guess you'd need a humongous readahead in order to read from both disks. Nope - won't help. - Luke
